Table 1 Patient characteristics
Total n = 336 | Delta dominance n = 141 (42%) | Omicron dominance n = 195 (58%) | p -value | |
|---|---|---|---|---|
Demographic | ||||
Age (years), median (range) | 31 (26–38) | 31 (26–40) | 31 (27–36) | 0.9 |
Age ≥ 60 | 23 (6.85) | 11 (7.80) | 12 (6.15) | 0.7 |
Male | 151 (44.94) | 75 (53.19) | 76 (38.97) | 0.01 |
BMI (kg/m2), mean ± SD | 21.72 ± 2.70 | 22.33 ± 2.98 | 21.28 ± 2.38 | 0.005 |
Residence in HCMC | 307 (91.37) | 137 (97.16) | 170 (87.18) | 0.003 |
Comorbidity | ||||
Obesity | 35 (10.41) | 23 (16.31) | 12 (6.15) | 0.002 |
Hypertension | 22 (6.55) | 3 (2.13) | 3 (1.54) | 0.3 |
Diabetes mellitus | 7 (2.08) | 2 (1.42) | 5 (2.56) | 0.7 |
COPD | 3 (0.89) | 3 (2.13) | 0 | 0.1 |
Asthma | 6 (1.79) | 3 (2.13) | 3 (1.54) | 1.00 |
Liver diseases | 3 (0.89) | 2 (1.42) | 1 (0.51) | 0.7 |
Cancer | 1 (0.3) | 0 | 1 (0.51) | 1.0 |
Number of vaccine doses | ||||
0 | 12 (3.57) | 12 (8.51) | 0 (0) | < 0.0001 |
1 | 104 (30.95) | 103 (73.05) | 1 (0.51) | |
2 | 54 (16.07) | 26 (18.44) | 28 (14.36) | |
3 | 166 (49.40) | 0 (0) | 166 (85.13) | |